---
title: "exclude_prefix"
sidebarTitle: "exclude_prefix"
---

`exclude_prefix: [string]`

Param for the `all_columns_anomalies` test only, which enables to exclude a column from the tests based on prefix match.

- _Default: None_
- _Relevant tests: `all_columns_anomalies`_
- _Configuration level: test_

<RequestExample>

```yml test
models:
  - name: this_is_a_model
    tests:
      - elementary.column_anomalies:
          exclude_prefix: "id_"
```

</RequestExample>
